Gas and liquids storing device



BY l f, M5/KQ m ym F. G. KEYES GAS AND LQUIDS STORING DEVICE iled Deo.

March 29 1927/.,

' Patented ,Maa 2s, i927.

Unirse STATES y '1,622,523 PATENT oFFic-E. 'A

rnEDEnICK G. KEYES, or CAMBRIDGE, MASSACHUSETTS, AssieNoB., BY misma As-` SIGNMENTS, To NATIONAL REFBIGERATING COMPANY: or nosToN, lMiissACrnrsnTTs', A CORPORATION or MASSACHUSETTS.

GAs AND Lienrns sTonING Dnvicn.

Application fried December 4, 1923. serii 1ra-678,537.

My. present invention relates to stills for use in refrigerating apparatus and useful in the'arts generally. It relates particularly to as till having cooling coils for lowering its 5 temperature alternately withl the raising thereof.

The objectof my invention is to provide a still having means for quickly cooling it and other means for quickly heating it. 1Q Another object ofmy invention is` to provide a still having ineens for the effective distribution therethrough of the in oing and outgoing vapor, of heat, and rapi abstraction of heat therefrom.

l5 -Another object of' my invention is to provide ai still having therein means for supportin in distributed positions therethrong an absorbent" material for the vapor ',used therein.

20 ,In stills, particularly, for use in refrigerating apparatus, there is required a capacity forfh'olding, or cooling or heating high capacity vaporabsorbent material in a small space'and in small units of time.

.25 To deliver .a great number of heat units in"a small space of time I employ an elecother suitable type inserted as a unit or cartridge into'thebody of the still. 30 ,-,jlFor quickly c'oling the still I employ a i-coiled water conduiti' "For 'distributing the .refrigerant vapor effectively I,l use distributing tubes and 'yenes throughout the still and for holding absorbent material distributed therethrough,

:tl-1e' vaines-bein assembled usually horizoultally-x in the sti 1 and serving to conduct the heat-,ra idly-away from the heated tube. on lwhich t e aremount'ed.; r i0. 11.2'Ya'por iieliverypipes extending-the' length ofthe stilldaflso serve to distribute the 4vapor l throughout the still throu hij; orations along theitI len 1,

7`l,'lhese eatures'ani others, as will appea hereinafter, are .shown in the drawings, *which-Q .Figa 1 is a vert still showing the-interior-of thelstill and the vanesxand.circulating'pipesmounted on the 5 efxterio'r'o the electric heating ca tridge "`-Fi ."'2 is a verticalh sectional elevation.

showing the interior 'oi the stilland .of the heater cartridge.

vFig. 3 is a sectional view alongthe 'line 3-3 in Fig. 1 looking in the direction of the 55 arrow.A It shows a vane in plan mounted on the heater cartridge casing. Flg. 4 is a sectional view along line 4-"4 in Fig. 2 looking in the direction f the arrow. T his 'view shows the relation of the 69 cooling pipe to the venes as mounted or coiled thereabout. Fig. 5 is a vertical elevationof'a vane. Fig. 6 is a plan view of a .vane indicating 1n d otted lies how the vane-separating ex-. tensions or tabs are stamped in the vane ring and wings froma sheetof metal.

Like numbers refer to like parts throughi out the drawings. i .'f

The still 1 (see Figs. 1 t'o`4)-has fixed 70 therein through the head 3 the inner casing 5. having mounted therein close to-its walls the electric heating coil 6 of sheath wire or other suitable heater. Vapor tight joints are made between head 3 and casing 5, and 75 A between casing 5 and head 4 at the inner end of 5. The coil 6 is removable, with head 10, for replacement, repair and so on.' Theterminals 7 and 8 serve to connect the coill to electric supply' mains. Oh the casing 5 '80- aie mounted the vvaries 9. The vanes'9 (see Figs. 5 and 6)"'compri'se flat rings 20 having extending-'from their outer edges the wings 16 iiir the same plane.'

*Alternating with these wings are the exf- B5 l tensions 17 which have at their outeredge' the offsets 18. In the embodiment of my invention shown in the drawings the bases of the extensions are bent-in theiarc oa-circle to conform to vthe circumference of ring 20 90 and the offsets 18 are likewise formedion the arc of-a A"circle substantially of the same diameter as that of the said bases, whereby. 1n assembly the limnfesmare nested to secure rigidity.'.y.elongthe inner -edge of the ring 95 2o is the 'rimlial *theY assembly of the vanes 9 on the casing-5, the rims 19, which are of substantially esame inner diameter as the outer dialnethe varies on the casing.

Coiled about ,the extensions 17 is the coolingwater circulating pipe 15, which is sealed throu h the'wall of the still at-its entrance an exit4 and Whose'spirals pass 105 from'. -onevanefg-t'e the other through the spacesf'betweenthe wings 16 and' so .on to the discharge'l'.4

The conduit 13 is sealed through the Walll a covering 26 of asbestos tubing for straining out dust which may be carried with the refrigerant.'

Thepipes 12 (which specifically exemplify conduits which extend substantially the entire length of the interior of the still',l and consequently traverse the aggregate body of' solid absorbent material) apertured throughout their length, provide a multiplicity of short paths for gaseous refrigerant out of or into the absorbent material at all parts thereof, reducing to a practicalminimum the greatest'distance' which gas must travel through the body of absorbent material. Maintenance of free passage through. the apertures of the tube 12 at alll points along its length is therefore a condiv tion of eiicient operation of the apparatus in that' thereby the time factor either4 of emission or absorption, is reduced to a minimum. Fm` this reason clogging of the aper-- tures, even locally,'is to be avoided; the reticulated 'fibrous covering, represented by asbestos tubing26, .prevents passage of fine dust from the absorbent material into the apertures of ipe 12. Since 'temperatures which would deteriorate fibrous material of animal or vegetable origin, supervene on the operation of the apparatus, the refractory indispensable, value.

The'heads 2 and 3 are sealed to the Wall of the still 1. Into the side of the still is connected' the drip cock 22. Additional cooling is obtained from the pipe 23 coiled aboutv the outside of thestill, which like pipe 15 1s connected to .a suitable supply 25 of cold water and which dischargesthrough 24.

Suitable absorbent material in the form of granules, powder, lumps, or briquets and so on are distributed on the horizontal surfaces Whose windings pass aroundsaid inner'casf ing and between said vanes, said coiled pipe'v "haracter of asbestos ibres is of high, if not v.being Sealedl at either end-through the Wall of said outer casing, anda vapor delivery pipe sealedthrough the wall of the outer caslng and connectedto distributing pipes eX- tendin the length of the still and being perorat with a large number of small holes.

2. In a still, a Avane mounted therein comprising a flat .ring having a perpendicular rim turned along its inner edge, and a plurality of spaced apart tabs cut in the width of said ring and bent perpendicular to the plane of saidring, the metal of the said ring bet'ween said tabs forming wings continuous with the annulus and in the plane thereof.

3. In a still, a vane mounted therein comprising a' fiat ring having a perpendicular rim turned along its inner edge, a plurality of spaced apart tabs cut along its outer edge and bent perpendicular to -the plane of the ring, and otlsets on the outer edges of said tabs, the inside diameterical dimension ofsaid oflsetsbeing substantially the same as the outside diametrical dimensions atthe bases of said tabs.`

4. In a still, a vane comprising a fiat ring having aperpendicular rim along its inner of spaced a art wings.A

edge, a pluralit alongits outer edY e and'in the p ane of said ring, and a plura ity of tabs perpendicular to the ring plane a o ng its outer edge and alternat yarranged 1n the said wings, saidA tabs having offsets at' their upper e ge'the innerdiametrical dimension of which olisets is substantially equal'to the outer diametrical dimension at'the base of said tabs.

5.A In a still, a casing, an absorbent in said casing, pipingin `said casing for the ingress andegress of fluid tov said absorbent,

areentrantchamber in said casing, a header or cap for said reentrant chamber, a heating member in said chamber and mounted on said header and removable therewith, and a covering of porous asbestos for said perforated piping.

6. In a still, in combination, a closed'outer casing,- an inner casing sealed into the wall of said outer' casing, heating means for said inner casing,vane plates Amounted in said outer vcasing and in contact with said inner casing, a coil of pipe mounted in said outer casing Whose windings pass around said inner casing and in contact with said vanes, saidcoil pipe being sealed at either vend through the wall of said outer casing,

a 'gapor delivery pipeI sealed through the Wall of the outer casing and connected to Adistributing pipes extendingthe length of the still andbeing perforated with a large number-of smallholes.

7'. In astill, in combination, aclosed outer casing,'an inner casingssealed into the wall of saidouter'casing, heating means for said inn'er casing'vane plates mounted in 'said outer casing, a coil of'pipe mountedin said outer casing whose windings pass around said inner casing and between said vanes, sald coll plpe being sealed at elther end 'through the wall of said outer casing, a.

vapor delivery pipe Sealed through the wall ofthe outer casing and connected to distributing pipes extendin the length of the still and being perforate with a large number of small holes, a covering of asbestos.

for said pipes and the holes therein, and absorbent material distributed through said still.

8. In a refrigeratilig apparatus of the type described, a still, a conduit therein for f the passage of vaporized refrigerant comthe passage of Vaporized refrigerant comprising a tube apertured substantially throughout its length, and reticulated fibrous material covering. the apertures of said tube.

10. In a refrigerating ap aratus of the type described, a still, a con uit therein for the passage of vaporized refrigerant comprising a tube apertured throughout its lenvth, and a orous lasbestos tube enclosing said aperture tube.

11. In a refrigerating apparatus, yin coml bination, a still7 a gas or vapor conducting member commumc'atmg with the 1nter1or of said still at a. multiplicity of points through short paths, and a filter of asbestos across each of said paths.'

In testimony whereof I hereto aiX my signature.

FREDERICK Gr. KEYES.

substantially 30 

